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RD SHARMA ENGLISH-COMPLEX NUMBERS-All Questions
- If xn=cospi/(2^n)+isinpi/(2^n) , prove that x1x2x3 xoo=-1.
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- Find the square root of the following: 5+12 i
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- Find the square roots of -15-8idot
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- Find the number of solutions of z^2+|z|^2=0.
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- If ((a^2+1)/(2a-i))^2=x+i y , find the value of x^2+y^2dot
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- Let z1a n dz2 be two complex numbers such that ( z )1+i( z )2=0 and ...
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- If |z-5i|=|z+5i| , then the locus of zdot
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- If z1a n dz2 both satisfy z+barz r =2|z-1| and a r g(z1-z2)=pi/4 , t...
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- Show that the complex number z, satisfying the condition arg ((z -1)/(...
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- If z=(1+7i)/((2-i)^2) , then find |z|?
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- The value of (i^5+i^6+i^7+i^8+i^9)/(1+i) is
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- Write the least positive integral value of n for which ((1+i)/(1-i))^n...
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- If f(z)=(7-z)/(1-z^2) , where z=1+2i , then |f(z)| is
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- If z1,z2, z3 are complex numbers such that |z1|=|z2|=|z3|=|1/z1+1/z2+1...
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- What is the locus of z , if amplitude of (z-2-3i) is pi/4?
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- Write the sum of the series i+i^2+i^3+....... upto 1000 terms.
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- The sum and product of two complex numbers are real if and only if the...
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- If ((a+i)^2)/((2a-i))=p+i q , show that: p^2+q^2=((a^2+1)^2)/((4a^2+1)...
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- Write the value of a r g(z)+a r g(barz ) .
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- Express the following complex numbers in the standard form. Also find ...
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